DEF_TEST(TextBlob_extended, reporter) {
SkTextBlobBuilder textBlobBuilder;
SkFont font;
const char text1[] = "Foo";
const char text2[] = "Bar";
int glyphCount = font.countText(text1, strlen(text1), SkTextEncoding::kUTF8);
SkAutoTMalloc<uint16_t> glyphs(glyphCount);
(void)font.textToGlyphs(text1, strlen(text1), SkTextEncoding::kUTF8, glyphs.get(), glyphCount);
auto run = SkTextBlobBuilderPriv::AllocRunText(&textBlobBuilder,
font, glyphCount, 0, 0, SkToInt(strlen(text2)), SkString(), nullptr);
memcpy(run.glyphs, glyphs.get(), sizeof(uint16_t) * glyphCount);
memcpy(run.utf8text, text2, strlen(text2));
for (int i = 0; i < glyphCount; ++i) {
run.clusters[i] = SkTMin(SkToU32(i), SkToU32(strlen(text2)));
}
sk_sp<SkTextBlob> blob(textBlobBuilder.make());
REPORTER_ASSERT(reporter, blob);
for (SkTextBlobRunIterator it(blob.get()); !it.done(); it.next()) {
REPORTER_ASSERT(reporter, it.glyphCount() == (uint32_t)glyphCount);
for (uint32_t i = 0; i < it.glyphCount(); ++i) {
REPORTER_ASSERT(reporter, it.glyphs()[i] == glyphs[i]);
}
REPORTER_ASSERT(reporter, SkTextBlobRunIterator::kDefault_Positioning == it.positioning());
REPORTER_ASSERT(reporter, (SkPoint{0.0f, 0.0f}) == it.offset());
REPORTER_ASSERT(reporter, it.textSize() > 0);
REPORTER_ASSERT(reporter, it.clusters());
for (uint32_t i = 0; i < it.glyphCount(); ++i) {
REPORTER_ASSERT(reporter, i == it.clusters()[i]);
}
REPORTER_ASSERT(reporter, 0 == strncmp(text2, it.text(), it.textSize()));
}
}
void GrVkPipelineState::BuildStateKey(const GrPipeline& pipeline, GrPrimitiveType primitiveType,
SkTArray<uint8_t, true>* key) {
// Save room for the key length and key header
key->reset();
key->push_back_n(kData_StateKeyOffset);
GrProcessorKeyBuilder b(key);
GrVkRenderTarget* vkRT = (GrVkRenderTarget*)pipeline.getRenderTarget();
vkRT->simpleRenderPass()->genKey(&b);
pipeline.getStencil().genKey(&b);
SkASSERT(sizeof(GrPipelineBuilder::DrawFace) <= sizeof(uint32_t));
b.add32(pipeline.getDrawFace());
b.add32(get_blend_info_key(pipeline));
b.add32(primitiveType);
// Set key length
int keyLength = key->count();
SkASSERT(0 == (keyLength % 4));
*reinterpret_cast<uint32_t*>(key->begin()) = SkToU32(keyLength);
}
static void read_string(SkStream* stream, SkString* string) {
const uint32_t length = SkToU32(stream->readPackedUInt());
if (length > 0) {
string->resize(length);
stream->read(string->writable_str(), length);
}
}
int SkPipeDeduper::findOrDefineFactory(SkFlattenable* flattenable) {
if (!flattenable) {
return 0;
}
int index = fFactories.find(flattenable->getFactory());
SkASSERT(index >= 0);
if (index) {
if (show_deduper_traffic) {
SkDebugf(" reuseFactory(%d)\n", index - 1);
}
return index;
}
index = fFactories.add(flattenable->getFactory());
ASSERT_FITS_IN(index, kIndex_DefineFactoryExtraBits);
const char* name = flattenable->getTypeName();
size_t len = strlen(name);
ASSERT_FITS_IN(len, kNameLength_DefineFactoryExtraBits);
unsigned extra = (index << kNameLength_DefineFactoryExtraBits) | len;
size_t prevWritten = fStream->bytesWritten();
fStream->write32(pack_verb(SkPipeVerb::kDefineFactory, extra));
write_pad(fStream, name, len + 1);
if (false) {
SkDebugf(" defineFactory(%d) %d %s\n",
index - 1, SkToU32(fStream->bytesWritten() - prevWritten), name);
}
return index;
}
static void write_encoded_bitmap(SkWriteBuffer* buffer, SkData* data,
const SkIPoint& origin) {
buffer->writeUInt(SkToU32(data->size()));
buffer->getWriter32()->writePad(data->data(), data->size());
buffer->write32(origin.fX);
buffer->write32(origin.fY);
}
void SkPipeCanvas::onDrawTextRSXform(const void* text, size_t byteLength, const SkRSXform xform[],
const SkRect* cull, const SkPaint& paint) {
SkASSERT(byteLength);
bool compact = fits_in(byteLength, 23);
unsigned extra = compact ? (byteLength << 1) : 0;
if (cull) {
extra |= 1;
}
SkPipeWriter writer(this);
writer.write32(pack_verb(SkPipeVerb::kDrawTextRSXform, extra));
if (!compact) {
writer.write32(SkToU32(byteLength));
}
write_pad(&writer, text, byteLength);
int count = paint.countText(text, byteLength);
writer.write32(count); // maybe we can/should store this in extra as well?
writer.write(xform, count * sizeof(SkRSXform));
if (cull) {
writer.writeRect(*cull);
}
write_paint(writer, paint, kText_PaintUsage);
}
// Asserts that asset == expected and is peekable.
static void stream_peek_test(skiatest::Reporter* rep,
SkStreamAsset* asset,
const SkData* expected) {
if (asset->getLength() != expected->size()) {
ERRORF(rep, "Unexpected length.");
return;
}
SkRandom rand;
uint8_t buffer[4096];
const uint8_t* expect = expected->bytes();
for (size_t i = 0; i < asset->getLength(); ++i) {
uint32_t maxSize =
SkToU32(SkTMin(sizeof(buffer), asset->getLength() - i));
size_t size = rand.nextRangeU(1, maxSize);
SkASSERT(size >= 1);
SkASSERT(size <= sizeof(buffer));
SkASSERT(size + i <= asset->getLength());
if (asset->peek(buffer, size) < size) {
ERRORF(rep, "Peek Failed!");
return;
}
if (0 != memcmp(buffer, &expect[i], size)) {
ERRORF(rep, "Peek returned wrong bytes!");
return;
}
uint8_t value;
REPORTER_ASSERT(rep, 1 == asset->read(&value, 1));
if (value != expect[i]) {
ERRORF(rep, "Read Failed!");
return;
}
}
}
int SkPipeDeduper::findOrDefinePicture(SkPicture* picture) {
int index = fPictures.find(picture->uniqueID());
SkASSERT(index >= 0);
if (index) {
if (show_deduper_traffic) {
SkDebugf(" reusePicture(%d)\n", index - 1);
}
return index;
}
size_t prevWritten = fStream->bytesWritten();
unsigned extra = 0; // 0 means we're defining a new picture, non-zero means undef_index + 1
fStream->write32(pack_verb(SkPipeVerb::kDefinePicture, extra));
const SkRect cull = picture->cullRect();
fStream->write(&cull, sizeof(cull));
picture->playback(fPipeCanvas);
// call fPictures.add *after* we're written the picture, so that any nested pictures will have
// already been defined, and we get the "last" index value.
index = fPictures.add(picture->uniqueID());
ASSERT_FITS_IN(index, kObjectDefinitionBits);
fStream->write32(pack_verb(SkPipeVerb::kEndPicture, index));
SkDebugf(" definePicture(%d) %d\n",
index - 1, SkToU32(fStream->bytesWritten() - prevWritten));
return index;
}
int SkPipeDeduper::findOrDefineImage(SkImage* image) {
int index = fImages.find(image->uniqueID());
SkASSERT(index >= 0);
if (index) {
if (show_deduper_traffic) {
SkDebugf(" reuseImage(%d)\n", index - 1);
}
return index;
}
sk_sp<SkData> data = fIMSerializer ? fIMSerializer->serialize(image)
: default_image_serializer(image);
if (data) {
index = fImages.add(image->uniqueID());
SkASSERT(index > 0);
SkASSERT(fits_in(index, 24));
fStream->write32(pack_verb(SkPipeVerb::kDefineImage, index));
uint32_t len = SkToU32(data->size());
fStream->write32(SkAlign4(len));
write_pad(fStream, data->data(), len);
if (show_deduper_traffic) {
int size = image->width() * image->height() << 2;
SkDebugf(" defineImage(%d) %d -> %d\n", index - 1, size, len);
}
return index;
}
SkDebugf("+++ failed to encode image [%d %d]\n", image->width(), image->height());
return 0; // failed to encode
}
int SkPipeDeduper::findOrDefineTypeface(SkTypeface* typeface) {
if (!typeface) {
return 0; // default
}
int index = fTypefaces.find(typeface->uniqueID());
SkASSERT(index >= 0);
if (index) {
if (show_deduper_traffic) {
SkDebugf(" reuseTypeface(%d)\n", index - 1);
}
return index;
}
sk_sp<SkData> data = fTFSerializer ? fTFSerializer->serialize(typeface) : encode(typeface);
if (data) {
index = fTypefaces.add(typeface->uniqueID());
SkASSERT(index > 0);
SkASSERT(fits_in(index, 24));
fStream->write32(pack_verb(SkPipeVerb::kDefineTypeface, index));
uint32_t len = SkToU32(data->size());
fStream->write32(SkAlign4(len));
write_pad(fStream, data->data(), len);
if (show_deduper_traffic) {
SkDebugf(" defineTypeface(%d) %d\n", index - 1, len);
}
return index;
}
SkDebugf("+++ failed to encode typeface %d\n", typeface->uniqueID());
return 0; // failed to encode
}
size_t SkPictureRecord::recordRestoreOffsetPlaceholder(SkClipOp op) {
if (fRestoreOffsetStack.isEmpty()) {
return -1;
}
// The RestoreOffset field is initially filled with a placeholder
// value that points to the offset of the previous RestoreOffset
// in the current stack level, thus forming a linked list so that
// the restore offsets can be filled in when the corresponding
// restore command is recorded.
int32_t prevOffset = fRestoreOffsetStack.top();
if (clipOpExpands(op)) {
// Run back through any previous clip ops, and mark their offset to
// be 0, disabling their ability to trigger a jump-to-restore, otherwise
// they could hide this clips ability to expand the clip (i.e. go from
// empty to non-empty).
this->fillRestoreOffsetPlaceholdersForCurrentStackLevel(0);
// Reset the pointer back to the previous clip so that subsequent
// restores don't overwrite the offsets we just cleared.
prevOffset = 0;
}
size_t offset = fWriter.bytesWritten();
this->addInt(prevOffset);
fRestoreOffsetStack.top() = SkToU32(offset);
return offset;
}
void SkPipeCanvas::onDrawPoints(PointMode mode, size_t count, const SkPoint pts[],
const SkPaint& paint) {
SkPipeWriter writer(this);
writer.write32(pack_verb(SkPipeVerb::kDrawPoints, mode));
writer.write32(SkToU32(count));
writer.write(pts, count * sizeof(SkPoint));
write_paint(writer, paint, kGeometry_PaintUsage | kRespectsStroke_PaintUsage);
}
size_t SkBinaryWriteBuffer::writeStream(SkStream* stream, size_t length) {
fWriter.write32(SkToU32(length));
size_t bytesWritten = fWriter.readFromStream(stream, length);
if (bytesWritten < length) {
fWriter.reservePad(length - bytesWritten);
}
return bytesWritten;
}
void SkPictureStateTree::appendNode(size_t offset) {
Node* n = static_cast<Node*>(fAlloc.allocThrow(sizeof(Node)));
n->fOffset = SkToU32(offset);
n->fFlags = 0;
n->fParent = fCurrentState.fNode;
n->fLevel = fCurrentState.fNode->fLevel + 1;
n->fMatrix = fCurrentState.fMatrix;
fCurrentState.fNode = n;
}
/*static*/ bool SkBitmapHasher::ComputeDigestInternal(const SkBitmap& bitmap, uint64_t *result) {
SkMD5 out;
// start with the x/y dimensions
write_int32_to_buffer(SkToU32(bitmap.width()), &out);
write_int32_to_buffer(SkToU32(bitmap.height()), &out);
// add all the pixel data
SkAutoTDelete<SkImageEncoder> enc(CreateARGBImageEncoder());
if (!enc->encodeStream(&out, bitmap, SkImageEncoder::kDefaultQuality)) {
return false;
}
SkMD5::Digest digest;
out.finish(digest);
*result = first_8_bytes_as_uint64(digest.data);
return true;
}
void GrGLProgramDesc::finalize() {
int keyLength = fKey.count();
SkASSERT(0 == (keyLength % 4));
*this->atOffset<uint32_t, kLengthOffset>() = SkToU32(keyLength);
uint32_t* checksum = this->atOffset<uint32_t, kChecksumOffset>();
*checksum = 0;
*checksum = SkChecksum::Compute(reinterpret_cast<uint32_t*>(fKey.begin()), keyLength);
}
void SkPipeCanvas::onDrawAnnotation(const SkRect& rect, const char key[], SkData* data) {
const size_t len = strlen(key) + 1; // must write the trailing 0
bool compact = fits_in(len, 23);
uint32_t extra = compact ? (unsigned)len : 0;
extra <<= 1; // make room for has_data_sentinel
if (data) {
extra |= 1;
}
fStream->write32(pack_verb(SkPipeVerb::kDrawAnnotation, extra));
fStream->write(&rect, sizeof(SkRect));
if (!compact) {
fStream->write32(SkToU32(len));
}
write_pad(fStream, key, len);
if (data) {
fStream->write32(SkToU32(data->size()));
write_pad(fStream, data->data(), data->size());
}
}
void SkGPipeCanvas::onDrawPoints(PointMode mode, size_t count,
const SkPoint pts[], const SkPaint& paint) {
if (count) {
NOTIFY_SETUP(this);
this->writePaint(paint);
if (this->needOpBytes(4 + count * sizeof(SkPoint))) {
this->writeOp(kDrawPoints_DrawOp, mode, 0);
fWriter.write32(SkToU32(count));
fWriter.write(pts, count * sizeof(SkPoint));
}
}
}
static size_t writeTypeface(SkWriter32* writer, SkTypeface* typeface) {
SkASSERT(typeface);
SkDynamicMemoryWStream stream;
typeface->serialize(&stream);
size_t size = stream.getOffset();
if (writer) {
writer->write32(SkToU32(size));
SkAutoDataUnref data(stream.copyToData());
writer->writePad(data->data(), size);
}
return 4 + SkAlign4(size);
}
/*static*/ bool SkBitmapHasher::ComputeDigestInternal(const SkBitmap& bitmap,
SkHashDigest *result) {
size_t pixelBufferSize = bitmap.width() * bitmap.height() * 4;
size_t totalBufferSize = pixelBufferSize + 2 * sizeof(uint32_t);
SkAutoMalloc bufferManager(totalBufferSize);
char *bufferStart = static_cast<char *>(bufferManager.get());
SkMemoryWStream out(bufferStart, totalBufferSize);
// start with the x/y dimensions
write_int_to_buffer(SkToU32(bitmap.width()), &out);
write_int_to_buffer(SkToU32(bitmap.height()), &out);
// add all the pixel data
SkAutoTDelete<SkImageEncoder> enc(CreateARGBImageEncoder());
if (!enc->encodeStream(&out, bitmap, SkImageEncoder::kDefaultQuality)) {
return false;
}
*result = SkCityHash::Compute64(bufferStart, totalBufferSize);
return true;
}
void SkGPipeCanvas::onDrawText(const void* text, size_t byteLength, SkScalar x, SkScalar y,
const SkPaint& paint) {
if (byteLength) {
NOTIFY_SETUP(this);
this->writePaint(paint);
if (this->needOpBytes(4 + SkAlign4(byteLength) + 2 * sizeof(SkScalar))) {
this->writeOp(kDrawText_DrawOp);
fWriter.write32(SkToU32(byteLength));
fWriter.writePad(text, byteLength);
fWriter.writeScalar(x);
fWriter.writeScalar(y);
}
}
}
void SkMallocPixelRef::flatten(SkWriteBuffer& buffer) const {
this->INHERITED::flatten(buffer);
buffer.write32(SkToU32(fRB));
// TODO: replace this bulk write with a chunky one that can trim off any
// trailing bytes on each scanline (in case rowbytes > width*size)
size_t size = this->info().getSafeSize(fRB);
buffer.writeByteArray(fStorage, size);
buffer.writeBool(fCTable != NULL);
if (fCTable) {
fCTable->writeToBuffer(buffer);
}
}
void SkPipeCanvas::onDrawPosText(const void* text, size_t byteLength, const SkPoint pos[],
const SkPaint& paint) {
SkASSERT(byteLength);
bool compact = fits_in(byteLength, 24);
SkPipeWriter writer(this);
writer.write32(pack_verb(SkPipeVerb::kDrawPosText, compact ? (unsigned)byteLength : 0));
if (!compact) {
writer.write32(SkToU32(byteLength));
}
write_pad(&writer, text, byteLength);
writer.writePointArray(pos, paint.countText(text, byteLength));
write_paint(writer, paint, kText_PaintUsage);
}
void SkGPipeCanvas::onDrawPosText(const void* text, size_t byteLength, const SkPoint pos[],
const SkPaint& paint) {
if (byteLength) {
NOTIFY_SETUP(this);
this->writePaint(paint);
int count = paint.textToGlyphs(text, byteLength, nullptr);
if (this->needOpBytes(4 + SkAlign4(byteLength) + 4 + count * sizeof(SkPoint))) {
this->writeOp(kDrawPosText_DrawOp);
fWriter.write32(SkToU32(byteLength));
fWriter.writePad(text, byteLength);
fWriter.write32(count);
fWriter.write(pos, count * sizeof(SkPoint));
}
}
}
void SkGPipeCanvas::onDrawPosTextH(const void* text, size_t byteLength, const SkScalar xpos[],
SkScalar constY, const SkPaint& paint) {
if (byteLength) {
NOTIFY_SETUP(this);
this->writePaint(paint);
int count = paint.textToGlyphs(text, byteLength, NULL);
if (this->needOpBytes(4 + SkAlign4(byteLength) + 4 + count * sizeof(SkScalar) + 4)) {
this->writeOp(kDrawPosTextH_DrawOp);
fWriter.write32(SkToU32(byteLength));
fWriter.writePad(text, byteLength);
fWriter.write32(count);
fWriter.write(xpos, count * sizeof(SkScalar));
fWriter.writeScalar(constY);
}
}
}
void SkPipeCanvas::onDrawText(const void* text, size_t byteLength, SkScalar x, SkScalar y,
const SkPaint& paint) {
SkASSERT(byteLength);
bool compact = fits_in(byteLength, 24);
SkPipeWriter writer(this);
writer.write32(pack_verb(SkPipeVerb::kDrawText, compact ? (unsigned)byteLength : 0));
if (!compact) {
writer.write32(SkToU32(byteLength));
}
write_pad(&writer, text, byteLength);
writer.writeScalar(x);
writer.writeScalar(y);
write_paint(writer, paint, kText_PaintUsage);
}
void SkWriter32::writeString(const char str[], size_t len) {
if (NULL == str) {
str = "";
len = 0;
}
if ((long)len < 0) {
len = strlen(str);
}
// [ 4 byte len ] [ str ... ] [1 - 4 \0s]
uint32_t* ptr = this->reservePad(sizeof(uint32_t) + len + 1);
*ptr = SkToU32(len);
char* chars = (char*)(ptr + 1);
memcpy(chars, str, len);
chars[len] = '\0';
}
bool SkWStream::writePackedUInt(size_t value) {
uint8_t data[5];
size_t len = 1;
if (value <= SK_MAX_BYTE_FOR_U8) {
data[0] = value;
len = 1;
} else if (value <= 0xFFFF) {
uint16_t value16 = value;
data[0] = SK_BYTE_SENTINEL_FOR_U16;
memcpy(&data[1], &value16, 2);
len = 3;
} else {
uint32_t value32 = SkToU32(value);
data[0] = SK_BYTE_SENTINEL_FOR_U32;
memcpy(&data[1], &value32, 4);
len = 5;
}
return this->write(data, len);
}
/**
* A function which emits a meta key into the key builder. This is required because shader code may
* be dependent on properties of the effect that the effect itself doesn't use
* in its key (e.g. the pixel format of textures used). So we create a meta-key for
* every effect using this function. It is also responsible for inserting the effect's class ID
* which must be different for every GrProcessor subclass. It can fail if an effect uses too many
* transforms, etc, for the space allotted in the meta-key. NOTE, both FPs and GPs share this
* function because it is hairy, though FPs do not have attribs, and GPs do not have transforms
*/
static bool gen_meta_key(const GrProcessor& proc,
const GrGLSLCaps& glslCaps,
uint32_t transformKey,
GrProcessorKeyBuilder* b) {
size_t processorKeySize = b->size();
uint32_t classID = proc.classID();
// Currently we allow 16 bits for the class id and the overall processor key size.
static const uint32_t kMetaKeyInvalidMask = ~((uint32_t)SK_MaxU16);
if ((processorKeySize | classID) & kMetaKeyInvalidMask) {
return false;
}
add_texture_key(b, proc, glslCaps);
uint32_t* key = b->add32n(2);
key[0] = (classID << 16) | SkToU32(processorKeySize);
key[1] = transformKey;
return true;
}
SkPath ValueTraits<ShapeValue>::As<SkPath>(const ShapeValue& shape) {
SkPath path;
if (!shape.fVertices.empty()) {
// conservatively assume all cubics
path.incReserve(1 + SkToU32(shape.fVertices.size() * 3));
path.moveTo(shape.fVertices.front().fVertex);
}
const auto& addCubic = [&](size_t from, size_t to) {
const auto c0 = shape.fVertices[from].fVertex + shape.fVertices[from].fOutPoint,
c1 = shape.fVertices[to].fVertex + shape.fVertices[to].fInPoint;
if (c0 == shape.fVertices[from].fVertex &&
c1 == shape.fVertices[to].fVertex) {
// If the control points are coincident, we can power-reduce to a straight line.
// TODO: we could also do that when the controls are on the same line as the
// vertices, but it's unclear how common that case is.
path.lineTo(shape.fVertices[to].fVertex);
} else {
path.cubicTo(c0, c1, shape.fVertices[to].fVertex);
}
};
for (size_t i = 1; i < shape.fVertices.size(); ++i) {
addCubic(i - 1, i);
}
if (!shape.fVertices.empty() && shape.fClosed) {
addCubic(shape.fVertices.size() - 1, 0);
path.close();
}
path.setIsVolatile(shape.fVolatile);
path.shrinkToFit();
return path;
}
